Sweet’s indexed catalogue of building construction for the year 1906 (1906)
New York : Chicago : Architectural Record · leaf 81
up with a single rope, which is a decided improvement over all other systems as only one cage is required; and the engine can be placed anywhere, in or outside the building, close up toelevator, or at a distance in any angle tothe machine, and on either side. The ele-vator can also be let down in…
Building materials
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
